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      <title>Class BytesUtil | HiAPI-C# 2025 </title>
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        <article data-uid="Hi.Common.BytesUtil">



  <h1 id="Hi_Common_BytesUtil" data-uid="Hi.Common.BytesUtil" class="text-break">
Class BytesUtil  
  </h1>

  <div class="facts text-secondary">
    <dl><dt>Namespace</dt><dd><a class="xref" href="Hi.html">Hi</a>.<a class="xref" href="Hi.Common.html">Common</a></dd></dl>
  <dl><dt>Assembly</dt><dd>HiGeom.dll</dd></dl>
  </div>

  <div class="markdown summary"><p>Utility class for byte array operations and memory size conversions.</p>
</div>
  <div class="markdown conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static class BytesUtil</code></pre>
  </div>




  <dl class="typelist inheritance">
    <dt>Inheritance</dt>
    <dd>
      <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
      <div><span class="xref">BytesUtil</span></div>
    </dd>
  </dl>



  <dl class="typelist inheritedMembers">
    <dt>Inherited Members</dt>
    <dd>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object, object)</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
    </div>
  </dd></dl>






  <h2 class="section" id="methods">Methods
</h2>


  <a id="Hi_Common_BytesUtil_ConcatByteArray_" data-uid="Hi.Common.BytesUtil.ConcatByteArray*"></a>

  <h3 id="Hi_Common_BytesUtil_ConcatByteArray_System_Collections_Generic_IEnumerable_System_Byte____" data-uid="Hi.Common.BytesUtil.ConcatByteArray(System.Collections.Generic.IEnumerable{System.Byte[]})">
  ConcatByteArray(IEnumerable&lt;byte[]&gt;)
  
  </h3>

  <div class="markdown level1 summary"><p>Concatenates multiple byte arrays into a single byte array.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static byte[] ConcatByteArray(this IEnumerable&lt;byte[]&gt; src_)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>src_</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.byte">byte</a>[]&gt;</dt>
    <dd><p>The source byte arrays to concatenate.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.byte">byte</a>[]</dt>
    <dd><p>A single byte array containing all the bytes from the source arrays.</p>
</dd>
  </dl>











  <a id="Hi_Common_BytesUtil_FromBytes_" data-uid="Hi.Common.BytesUtil.FromBytes*"></a>

  <h3 id="Hi_Common_BytesUtil_FromBytes__1_System_Byte___" data-uid="Hi.Common.BytesUtil.FromBytes``1(System.Byte[])">
  FromBytes&lt;T&gt;(byte[])
  
  </h3>

  <div class="markdown level1 summary"><p>Converts a byte array to a structure.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static T FromBytes&lt;T&gt;(byte[] arr) where T : new()</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>arr</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.byte">byte</a>[]</dt>
    <dd><p>The byte array containing the structure data.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><span class="xref">T</span></dt>
    <dd><p>The structure created from the byte array.</p>
</dd>
  </dl>

  <h4 class="section">Type Parameters</h4>
  <dl class="parameters">
    <dt><code>T</code></dt>
    <dd><p>The type of the structure to create.</p>
</dd>
  </dl>










  <a id="Hi_Common_BytesUtil_GetMemorySizeValueUnit_" data-uid="Hi.Common.BytesUtil.GetMemorySizeValueUnit*"></a>

  <h3 id="Hi_Common_BytesUtil_GetMemorySizeValueUnit_System_Int64_" data-uid="Hi.Common.BytesUtil.GetMemorySizeValueUnit(System.Int64)">
  GetMemorySizeValueUnit(long)
  
  </h3>

  <div class="markdown level1 summary"><p>Gets the value and unit for a memory size in bytes.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static (double val, string unit) GetMemorySizeValueUnit(long num)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>num</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int64">long</a></dt>
    <dd><p>The size in bytes.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt>(<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.valuetuple-system.double,system.string-.val">val</a>, <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.valuetuple-system.double,system.string-.unit">unit</a>)</dt>
    <dd><p>A tuple containing the converted value and the appropriate unit.</p>
</dd>
  </dl>











  <a id="Hi_Common_BytesUtil_SplitByteArray_" data-uid="Hi.Common.BytesUtil.SplitByteArray*"></a>

  <h3 id="Hi_Common_BytesUtil_SplitByteArray_System_Collections_Generic_IEnumerable_System_Byte__System_Int32_System_Boolean_" data-uid="Hi.Common.BytesUtil.SplitByteArray(System.Collections.Generic.IEnumerable{System.Byte},System.Int32,System.Boolean)">
  SplitByteArray(IEnumerable&lt;byte&gt;, int, bool)
  
  </h3>

  <div class="markdown level1 summary"><p>Splits a byte array into multiple arrays of a specified size.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static byte[][] SplitByteArray(this IEnumerable&lt;byte&gt; src_, int sliceSize, bool allowReferenceBySource = false)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>src_</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.byte">byte</a>&gt;</dt>
    <dd><p>The source byte enumerable to split.</p>
</dd>
    <dt><code>sliceSize</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
    <dd><p>The size of each slice.</p>
</dd>
    <dt><code>allowReferenceBySource</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></dt>
    <dd><p>If true and the source array is smaller than or equal to the slice size, returns the source array directly.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.byte">byte</a>[][]</dt>
    <dd><p>An array of byte arrays, each containing a slice of the original array.</p>
</dd>
  </dl>











  <a id="Hi_Common_BytesUtil_ToBytes_" data-uid="Hi.Common.BytesUtil.ToBytes*"></a>

  <h3 id="Hi_Common_BytesUtil_ToBytes_System_Collections_BitArray_" data-uid="Hi.Common.BytesUtil.ToBytes(System.Collections.BitArray)">
  ToBytes(BitArray)
  
  </h3>

  <div class="markdown level1 summary"><p>Converts a BitArray to a byte array.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static byte[] ToBytes(this BitArray bitArray)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>bitArray</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.bitarray">BitArray</a></dt>
    <dd><p>The BitArray to convert.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.byte">byte</a>[]</dt>
    <dd><p>A byte array representing the BitArray.</p>
</dd>
  </dl>











  <a id="Hi_Common_BytesUtil_ToBytes_" data-uid="Hi.Common.BytesUtil.ToBytes*"></a>

  <h3 id="Hi_Common_BytesUtil_ToBytes__1___0_" data-uid="Hi.Common.BytesUtil.ToBytes``1(``0)">
  ToBytes&lt;T&gt;(T)
  
  </h3>

  <div class="markdown level1 summary"><p>Converts a structure to a byte array.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static byte[] ToBytes&lt;T&gt;(T str)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>str</code> <span class="xref">T</span></dt>
    <dd><p>The structure to convert.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.byte">byte</a>[]</dt>
    <dd><p>A byte array containing the structure data.</p>
</dd>
  </dl>

  <h4 class="section">Type Parameters</h4>
  <dl class="parameters">
    <dt><code>T</code></dt>
    <dd><p>The type of the structure to convert.</p>
</dd>
  </dl>










  <a id="Hi_Common_BytesUtil_ToLongByMemorySizeString_" data-uid="Hi.Common.BytesUtil.ToLongByMemorySizeString*"></a>

  <h3 id="Hi_Common_BytesUtil_ToLongByMemorySizeString_System_String_" data-uid="Hi.Common.BytesUtil.ToLongByMemorySizeString(System.String)">
  ToLongByMemorySizeString(string)
  
  </h3>

  <div class="markdown level1 summary"><p>Parses a memory size string (e.g., &ldquo;10MB&rdquo;, &ldquo;2.5GB&rdquo;) into a long value representing bytes.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static long ToLongByMemorySizeString(this string memorySizeString)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>memorySizeString</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
    <dd><p>The memory size string to parse.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int64">long</a></dt>
    <dd><p>The parsed value in bytes.</p>
</dd>
  </dl>








  <h4 class="section">Exceptions</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.formatexception">FormatException</a></dt>
    <dd><p>Thrown when the parsing fails.</p>
</dd>
  </dl>



  <a id="Hi_Common_BytesUtil_ToMemorySizeString_" data-uid="Hi.Common.BytesUtil.ToMemorySizeString*"></a>

  <h3 id="Hi_Common_BytesUtil_ToMemorySizeString_System_Int32_System_String_" data-uid="Hi.Common.BytesUtil.ToMemorySizeString(System.Int32,System.String)">
  ToMemorySizeString(int, string)
  
  </h3>

  <div class="markdown level1 summary"><p>Converts an integer value representing bytes to a formatted memory size string.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static string ToMemorySizeString(this int num, string format = &quot;{0,6:###.00} {1,-2:##}&quot;)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>num</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
    <dd><p>The size in bytes.</p>
</dd>
    <dt><code>format</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
    <dd><p>The format string to use for formatting the output.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
    <dd><p>A formatted string representing the memory size.</p>
</dd>
  </dl>











  <a id="Hi_Common_BytesUtil_ToMemorySizeString_" data-uid="Hi.Common.BytesUtil.ToMemorySizeString*"></a>

  <h3 id="Hi_Common_BytesUtil_ToMemorySizeString_System_Int64_System_String_" data-uid="Hi.Common.BytesUtil.ToMemorySizeString(System.Int64,System.String)">
  ToMemorySizeString(long, string)
  
  </h3>

  <div class="markdown level1 summary"><p>Converts a long value representing bytes to a formatted memory size string.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static string ToMemorySizeString(this long num, string format = &quot;{0,6:###.00} {1,-2:##}&quot;)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>num</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int64">long</a></dt>
    <dd><p>The size in bytes.</p>
</dd>
    <dt><code>format</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
    <dd><p>The format string to use for formatting the output.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
    <dd><p>A formatted string representing the memory size.</p>
</dd>
  </dl>











  <a id="Hi_Common_BytesUtil_TryParseLongByMemorySizeString_" data-uid="Hi.Common.BytesUtil.TryParseLongByMemorySizeString*"></a>

  <h3 id="Hi_Common_BytesUtil_TryParseLongByMemorySizeString_System_String_System_Int64__" data-uid="Hi.Common.BytesUtil.TryParseLongByMemorySizeString(System.String,System.Int64@)">
  TryParseLongByMemorySizeString(string, out long)
  
  </h3>

  <div class="markdown level1 summary"><p>Tries to parse a memory size string (e.g., &ldquo;10MB&rdquo;, &ldquo;2.5GB&rdquo;) into a long value representing bytes.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static bool TryParseLongByMemorySizeString(this string memorySizeString, out long dst)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>memorySizeString</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
    <dd><p>The memory size string to parse.</p>
</dd>
    <dt><code>dst</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int64">long</a></dt>
    <dd><p>When this method returns, contains the parsed value if the parsing succeeded, or long.MaxValue if the parsing failed.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></dt>
    <dd><p>true if the parsing succeeded; otherwise, false.</p>
</dd>
  </dl>












</article>

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